<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>2_类式组件</title>
</head>
<body>
  <!-- 容器 -->
  <div id="test"></div>

  <!-- react核心库 -->
  <script type="text/javascript" src="../js/react.development.js"></script>
  <!-- dom操作扩展库 -->
  <script type="text/javascript" src="../js/react-dom.development.js"></script>
  <!-- jsx转js -->
  <script type="text/javascript" src="../js/babel.min.js"></script>

  <script type="text/babel">
    // 创建一个类式组件
    class MyComponent extends React.Component {
      render () {
        return <h2>我是用类定义的组件（适用于【复杂组件】的定义）</h2>
      }
    }

    // 渲染组件到页面
    ReactDOM.render(<MyComponent/>, document.getElementById('test'))
  </script>

</body>
</html>